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Largest city water project starts. It reverses the flow of the chicago river to supply the city with water.
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England produces; activated sludge process. The process is bubbleing air throught the sewage.
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Boston engineers try to convince lawmakers that sewage was a public health issue.
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The New Catskill Aquaduct supplies New York with 500 million gallons of water per day. The aquaduct spands 92 miles long.
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Worechester U.K. uses the Activated Sludge Process.
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Abel Wiwilman and Linn Enslow experiment with chlorine to dissenfect water, but ended up using sodium hypochlorate (Chlorox)
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Large scale use of Activated Sludge Process
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The Hardy Cross method is applied. The method consists of pipes and a storage tank that delivers water at a constant pressure.
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The Hover Dam is completed and it supplies water to Nevada and California
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Delaware Aquaduct is completed it links 19 resevoirs and three lakes and supplies New York City with 580 million gallons of water per day. The aquaduct spans 115 miles long.
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The country of Kuwatie begins process of desalinization of sea water.
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The Aswan Dam is constructed in the Nile River. The dam supplies water fotr irrigation, controls floods, and generates hydroelectricity.
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The Safe Drinking Water Act is passed by Congress. Its main focas is to protect public health by regulation the nation's public drinking water.
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The Great Lakes Water Quality Agreement sighed by both the U.S. and Canada states that the two countries abide by the regulation set by EPA.
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In Africa the Bardenpho Process treats wastwater by removing nitrates without chemicals.
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The University of California develops the ultraviolet treatment of water.